Imaging-quality ALD-GCA-MCPs for high-resolution, large area UV-VIS spectrometers

X-Ray, Optical, and Infrared Detectors for Astronomy IX Pub Date : 2020-12-13 DOI:10.1117/12.2563353

T. Cremer, M. Aviles, C. Ertley, M. Foley, A. Lyashenko, M. Minot, M. Popecki, T. W. Rivera, M. Stochaj, J. Elam, A. Mane, O. Siegmund

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Abstract

Incom Inc. is developing and commercializing a new type of microchannel plate (MCP) electron multiplier, as well as MCP-based photodetectors such as the Large-Area Picosecond Photodetector, LAPPD(TM), and the High-Resolution Picosecond Photodetector, HRPPD. This new class of MCPs is called “ALD-GCA-MCPs” because these are MCPs that are made from glass capillary arrays (GCA) – glass plates with a regular array of hollow glass capillaries – that are functionalized using atomic layer deposition (ALD) thin film coating technology. ALD-GCA-MCPs are a technology advancement that affords MCPs with significantly improved performance, as compared to conventional MCPs. We will provide a brief ALD-GCA-MCP technology overview highlighting the current state of the art of Incom’s ALD-GCA-MCP technology, as well as ongoing developments addressing the GCA glass substrate, the resistive and secondary-electron-emissive ALD coatings, and their implications for detectors used in astronomical applications.

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成像质量的ALD-GCA-MCPs用于高分辨率，大面积UV-VIS光谱仪

Incom公司正在开发和商业化一种新型的微通道板(MCP)电子倍增器，以及基于MCP的光电探测器，如大面积皮秒光电探测器LAPPD(TM)和高分辨率皮秒光电探测器HRPPD。这种新型mcp被称为“ALD-GCA- mcp”，因为这些mcp是由玻璃毛细管阵列(GCA)制成的，这些玻璃毛细管阵列采用原子层沉积(ALD)薄膜涂层技术进行功能化。ald - gca - mcp是一项技术进步，与传统mcp相比，它可以显著提高mcp的性能。我们将提供一个简要的ALD-GCA- mcp技术概述，重点介绍Incom的ALD-GCA- mcp技术的当前状态，以及解决GCA玻璃基板，电阻和二次电子发射ALD涂层的持续发展，以及它们对天文应用中使用的探测器的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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X-Ray, Optical, and Infrared Detectors for Astronomy IX

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